Mealey's (September 28, 2021, 8:49 AM EDT) -- PHILADELPHIA — Plaintiffs in a securities fraud class action on Sept. 17 moved in Pennsylvania federal court seeking class certification of their case against a hydraulic fracturing pipeline company, which investors contend misled them about whether it had lawfully obtained valid permits for construction, when the company actually “exerted undue pressure on regulators and government officials” to secure permits “despite hundreds of known deficiencies” in the permit applications....